DE69022093D1 - System zur Anmeldung eines Spurfolgefehlers in einem optischen Aufnahme-/Wiedergabegerät. - Google Patents

System zur Anmeldung eines Spurfolgefehlers in einem optischen Aufnahme-/Wiedergabegerät.

Info

Publication number
DE69022093D1
DE69022093D1 DE69022093T DE69022093T DE69022093D1 DE 69022093 D1 DE69022093 D1 DE 69022093D1 DE 69022093 T DE69022093 T DE 69022093T DE 69022093 T DE69022093 T DE 69022093T DE 69022093 D1 DE69022093 D1 DE 69022093D1
Authority
DE
Germany
Prior art keywords
registering
optical recording
playback device
tracking error
tracking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69022093T
Other languages
English (en)
Other versions
DE69022093T2 (de
Inventor
Shigeaki Wachi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69022093D1 publication Critical patent/DE69022093D1/de
Application granted granted Critical
Publication of DE69022093T2 publication Critical patent/DE69022093T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0903—Multi-beam tracking systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
DE69022093T 1989-04-14 1990-04-09 System zur Anmeldung eines Spurfolgefehlers in einem optischen Aufnahme-/Wiedergabegerät. Expired - Fee Related DE69022093T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1093028A JP2745665B2 (ja) 1989-04-14 1989-04-14 光学式記録再生装置のデトラック検出方法

Publications (2)

Publication Number Publication Date
DE69022093D1 true DE69022093D1 (de) 1995-10-12
DE69022093T2 DE69022093T2 (de) 1996-02-29

Family

ID=14071040

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69022093T Expired - Fee Related DE69022093T2 (de) 1989-04-14 1990-04-09 System zur Anmeldung eines Spurfolgefehlers in einem optischen Aufnahme-/Wiedergabegerät.

Country Status (4)

Country Link
US (1) US5148424A (de)
EP (1) EP0392775B1 (de)
JP (1) JP2745665B2 (de)
DE (1) DE69022093T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0664746B2 (ja) * 1990-10-19 1994-08-22 パイオニア株式会社 光スポット位置検出装置
JPH04313819A (ja) * 1991-01-30 1992-11-05 Pioneer Electron Corp 光スポット位置検出装置
JP2935908B2 (ja) * 1991-01-30 1999-08-16 パイオニア株式会社 光スポット位置検出装置
JPH04313818A (ja) * 1991-01-30 1992-11-05 Pioneer Electron Corp アクチュエータ位置検出装置、アクチュエータ位置制御装置及びトラックサーチ制御装置
KR950010418B1 (ko) * 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
JPH08263855A (ja) * 1995-03-23 1996-10-11 Nec Corp 光学ヘッド用移送制御装置
JP3410869B2 (ja) * 1995-04-11 2003-05-26 株式会社リコー 光ピックアップ装置
AU714000B2 (en) * 1995-06-12 1999-12-16 Sony Corporation Optical pickup
KR0176888B1 (ko) * 1996-01-24 1999-04-15 구자홍 광디스크 기록재생기의 서보 제어 장치
US6741416B2 (en) * 1999-12-16 2004-05-25 Matsushita Electric Industrial Co., Ltd. Tracking signal generating device and method, and magnetic recording/reproducing system
DE10062079A1 (de) * 2000-12-13 2002-06-27 Thomson Brandt Gmbh Verfahren zum Spurzählen und entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers
JP2004185678A (ja) * 2002-11-29 2004-07-02 Toshiba Corp ディスク装置及びディスク処理方法
EP1839300A1 (de) * 2005-01-10 2007-10-03 Koninklijke Philips Electronics N.V. Verstärkungseinstellverfahren und vorrichtung zum einstellen der signalverstärkung eines aufnehmers für optische platten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095766B1 (de) * 1982-05-31 1986-10-22 Hitachi, Ltd. Servoschaltung für ein Gerät zur Wiedergabe von Signalen
JPS5965946A (ja) * 1982-10-06 1984-04-14 Hitachi Ltd ビデオデイスクプレ−ヤ
JPS60119641A (ja) * 1983-12-01 1985-06-27 Pioneer Electronic Corp トラッキングエラ−信号発生装置
US4598393A (en) * 1984-04-06 1986-07-01 Drexler Technology Corporation Three-beam optical servo tracking system with two-track parallel readout
JPS61184733A (ja) * 1985-01-31 1986-08-18 Nippon Columbia Co Ltd 光デイスク再生装置
US4750162A (en) * 1985-07-16 1988-06-07 Victor Company Of Japan, Ltd. Optical tracking system utilizing three photo-detectors
JPH0679420B2 (ja) * 1986-06-06 1994-10-05 パイオニア株式会社 トラツキングサ−ボ装置

Also Published As

Publication number Publication date
US5148424A (en) 1992-09-15
EP0392775B1 (de) 1995-09-06
DE69022093T2 (de) 1996-02-29
JPH02273328A (ja) 1990-11-07
EP0392775A3 (de) 1991-12-18
JP2745665B2 (ja) 1998-04-28
EP0392775A2 (de) 1990-10-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee